POLICE divers are searching a park lake as the hunt for missing teenager Rebecca Watts moves into its eighth day.

Police search a park lake in the hunt for missing schoolgirl Becky Watts

From our perspective this is completely out of character

Detective Inspector Richard Ocone

As the search intensifies, Avon and Somerset police say there is no specific intelligence but the search of the pond in St George's Park in Bristol is "routine."

Six officers were seen combing the waters, around a mile from Rebecca's home.

Rebecca Watts, 16, known as Becky, was last seen at her house in Crown Hill in St George, Bristol, on the morning of February 19.

She left home with her phone, laptop and tablet computer but did not tell friends or family where she was going, or take extra clothing.

Speaking at the park yesterday, Detective Inspector Richard Ocone, who is leading the investigation, said Becky disappeared between 11am and 12pm.

He said: "There was a conversation between Becky and her stepmother that morning when she returned home.

"There were other people in the house at that time.

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Police pulls debris from park lake

"From our perspective this is completely out of character. She has not taken anything that would suggest she was going to stay away for a long period of time."

Mr Ocone would not confirm which family members were inside the property at the time Becky went missing.

This comes after Becky's father Darren Galsworthy urged wives, mothers and girlfriends to check their partners underwear for blood, as he raised fears she could have been the victim of a sex attack.

The note - written it in block capital letters and repeated three times in 11 minutes - asked women to watch out for blood on family member's underwear.

He wrote: "THIS IS A MESSAGE TO ALL WIFES (sic) MOTHERS AND GIRLFRIENDS IT WAS MY BABY GIRLS TIME OF THE MONTH SO IF YOU HAVE WASHED ANY BLOOD FROM YOUR PARTNERS OR SONS UNDERWEAR AND THEY CANT EXPLAIN IT PLEASE IMAGINE IF THIS WAS YOUR CHILD WHAT WOULD YOU DO PLEASE REPORT IT."

Mr Galsworthy has also taken to Facebook on other occasions, begging his daughter to come home.

In a post on Monday, he wrote: "Bex if you see this please come home were (sic) heart broken and we need you in our lives you won't be told off and you can make as much mess as you want and I won't say a word promise."

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The lake is around a mile away from the missing teenager's home

He also said he had seen a white transit van "hanging around" near the house the day she went missing.

Mr Ocone declined to comment on the messages but insisted police had received no information that Becky had come to harm.

"This is very much a missing persons inquiry," he said. "We have nothing to suggest that Rebecca has come to any harm and clearly we would like to return her home as soon as we can."

Officers are combing woodland and open spaces near Becky's home, along with house-to-house inquiries and have searched her neighbour's gardens and outhouses.

Searches at a nature reserve, Troopers Hill in Bristol, have now concluded without anything of significant found.

Mr Ocone confirmed the search was currently remaining in the "Bristol and Greater Bristol area."

Hundreds of leaflets have been printed and a social media campaign, using the hashtag FindBecky, has been launched by the force.

Teams from South Wales Police and Wiltshire Police are also taking part in the search, along with dog handlers and mounted officers.

The campaign has attracted world-wide attention, with almost 400,000 viewing tweets and 22,000 retweets and favourites.

And more than two million people around the world have seen the campaign on Facebook, with 30,959 shares including in Goa, New Zealand and America.